Cut down two bits of angle and weld them into a U. If you like making swarf then get black flat bar as its less likely to move. I have used this e-bay seller a few times for black bar and angle, also does 50x25x5 chanel if you could get away with 48mm x 24 x 4 after a skim
Edited By JasonB on 29/03/2016 17:42:12